ઉપરોક્ત પ્રક્રિયામાં $Y$ શું છે ?

$\begin{matrix}
   C{{H}_{3}}CHCOOH\xrightarrow{\Delta }\,Product  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}$

${C_2}{H_5}I\xrightarrow{{alc. KOH}}X\xrightarrow[{CC{l_4}}]{{B{r_2}}}Y\,\xrightarrow{{KCN}}Z\xrightarrow{{{H_3}{O^ + }}}A$

$A.$ $CH _3 COOH$

$B.$ $F _3 C - COOH$

$C.$ $ClCH _2- COOH$

$D.$ $FCH _2- COOH$

$E.$ $BrCH _2- COOH$

નીચે આપેલા  વિકલ્પોમાથી સાચો જવાબ પસંદ કરો.

$\underset{1}{\mathop{\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}COCHC{{H}_{3}}  \\
\end{matrix}}}\,$   $\underset{2}{\mathop{\begin{matrix}
   \,\,\,\,O \\
   \,\,\,\,|| \\
   C{{H}_{3}}CCl  \\
\end{matrix}}}\,$   $\underset{3}{\mathop{\begin{matrix}
   O\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}CNHC{{H}_{3}}  \\
\end{matrix}}}\,$